David McMahon

Birdman of Alcatraz
Inmate
Filme, 1962

Patty
Father O'Brien
Filme, 1962

Let No Man Write My Epitaph
Barney the Bartender
Filme, 1960

The FBI Story
Klansman
Filme, 1959

Cowboy
Cattle Buyer
Filme, 1958

Gangsters em Fúria
Frank - Missouri Deputy
Filme, 1958

The Deadly Mantis
Capt. Frank Carver
Filme, 1957

The Monster That Challenged the World
Patterson
Filme, 1957

O Baile Maluco
MSgt. Pringle
Filme, 1957

Bus Stop
Ticket Taker at Bus
Filme, 1956

The Creature Walks Among Us
Capt. Stanley
Filme, 1956

Dance with Me, Henry
Savoldi
Filme, 1956

It Conquered the World
Gen. Carpenter
Filme, 1956

Juventude Transviada
Crunch's Father
Filme, 1955

I Died a Thousand Times
Auto Court Owner
Filme, 1955

A Guerra dos Mundos
Minister, First Church
Filme, 1953

Don't Bother to Knock
Uniformed Cop at End
Filme, 1952

Glory Alley
Frank, the Policeman
Filme, 1952

O. Henry's Full House
Cop (segment "The Clarion Call")
Filme, 1952

Off Limits
Shore Patrolman
Filme, 1952

Bannerline
Filme, 1951

Best of the Badmen
Ed Perk
Filme, 1951

Cry Danger
Trailer Park Officer
Filme, 1951

Darling, How Could You!
Lieutenant
Filme, 1951

Inside the Walls of Folsom Prison
Filme, 1951

Roadblock
Police Radio Operator
Filme, 1951

O Enigma de Outro Mundo
Gen. Fogarty
Filme, 1951

Mystery Street
Detective Garrity
Filme, 1950

When Willie Comes Marching Home
Col. Ainsley
Filme, 1950

Passos na Noite
Harrington
Filme, 1950

A Costela de Adão
Reporter
Filme, 1949

A Noiva Era Ele
Army Chaplain
Filme, 1949

Something in the Wind
Nolan
Filme, 1947